Alert archive / Wyoming / High Wind Watches in 2021
High Wind Watch 32, NWS Cheyenne, WY
NWS Cheyenne, WY issued this high wind watch at Nov 12, 2021, 2:10 AM MST for 4 counties in Wyoming. It took effect at Nov 13, 2021, 8:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 12, 2021, 2:10 AM MST (09:10 UTC)
- In effect from
- Nov 13, 2021, 8:00 PM MST
- Expired
- Nov 13, 2021, 2:09 PM MST
- In force
- Issued by
- NWS Cheyenne, WY
Counties Albany County, WY, Carbon County, WY, Laramie County, WY, Platte County, WY
The radar
The Cheyenne radar (KCYS), 88 km from the middle of the area, began a volume at 09:11 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Riverton, WY (KRIW), launched 00:00Z, 9.2 hours before the alert went out and 278 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1753 m above ground
- 0-6 km bulk shear
- 94 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
522 WWUS75 KCYS 120910 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 210 AM MST Fri Nov 12 2021 WYZ110-130000- /O.NEW.KCYS.HW.A.0031.211113T1300Z-211114T0000Z/ /O.NEW.KCYS.HW.A.0032.211114T1300Z-211115T1900Z/ /O.CON.KCYS.HW.W.0041.000000T0000Z-211112T2100Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 210 AM MST Fri Nov 12 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... ...HIGH WIND WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... ...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... * WHAT...For the High Wind Warning, west winds 35 to 45 mph with gusts up to 65 mph. For the first High Wind Watch, west winds 35 to 45 mph with gusts up to 65 mph possible. For the second High Wind Watch, west winds 40 to 50 mph with gusts up to 75 mph possible. * WHERE...North Snowy Range Foothills. * WHEN...For the High Wind Warning, until 2 PM MST this afternoon. For the first High Wind Watch, from Saturday morning through Saturday afternoon. For the second High Wind Watch, from Sunday morning through Monday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ106-116-130000- /O.NEW.KCYS.HW.A.0031.211113T1300Z-211114T0000Z/ /O.NEW.KCYS.HW.A.0032.211114T1300Z-211115T1900Z/ Central Laramie Range and Southwest Platte County- South Laramie Range- Including the cities of Bordeaux, Buford, Pumpkin Vine, and Vedauwoo 210 AM MST Fri Nov 12 2021 ...HIGH WIND WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY AFTERNOON... ...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY MORNING... * WHAT...For the first High Wind Watch, west winds 35 to 45 mph with gusts up to 65 mph possible. For the second High Wind Watch, west winds 35 to 45 mph with gusts up to 70 mph possible. * WHERE...Central Laramie Range and Southwest Platte County and South Laramie Range. * WHEN...For the first High Wind Watch, from Saturday morning through Saturday afternoon. For the second High Wind Watch, from Sunday morning through Monday morning. * IMPACTS...Mainly to transportation. Strong cross winds will be hazardous to light weight and high profile vehicles, including campers and tractor trailers. There will be a high risk for vehicle blow overs, particularly along north to south oriented roadways. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means a hazardous high wind event is possible. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$
3 follow-up statements
582 WWUS75 KCYS 122029 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 129 PM MST Fri Nov 12 2021 WYZ110-131200- /O.CAN.KCYS.HW.A.0031.211113T1300Z-211114T0000Z/ /O.EXT.KCYS.HW.W.0041.000000T0000Z-211114T0300Z/ /O.EXT.KCYS.HW.A.0032.211114T0300Z-211116T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 129 PM MST Fri Nov 12 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 8 PM MST SATURDAY... ...HIGH WIND WATCH NOW IN EFFECT FROM SATURDAY EVENING THROUGH MONDAY AFTERNOON... * WHAT...West to southwest winds 40 to 50 MPH with gusts up to 75 MPH possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...A prolonged period of high winds will persist through at least Monday afternoon. The main time frames for the strongest wind speeds include late tonight through Saturday afternoon, as well as Sunday morning through Monday afternoon. High winds may continue beyond that time. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs in these areas, especially between mile markers 240 and 290 along Interstate 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ106-116-131200- /O.UPG.KCYS.HW.A.0031.211113T1300Z-211114T0000Z/ /O.NEW.KCYS.HW.W.0042.211113T0800Z-211114T0300Z/ /O.EXT.KCYS.HW.A.0032.211114T1500Z-211116T0000Z/ Central Laramie Range and Southwest Platte County- South Laramie Range- Including the cities of Bordeaux, Buford, Pumpkin Vine, and Vedauwoo 129 PM MST Fri Nov 12 2021 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 8 PM MST SATURDAY... ...HIGH WIND WATCH NOW IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...West winds 35 to 45 MPH with gusts up to 65 MPH possible. * WHERE...Bordeaux along Interstate 25 between Chugwater and Wheatland, South Laramie Range and adjacent foothills including Interstate 80 between Laramie and Cheyenne. * WHEN...Multiple periods of high winds will occur through at least Monday afternoon. The main time frames for the strongest winds include late tonight through Saturday afternoon, as well as Sunday morning through Monday afternoon. High winds may continue beyond that time. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs, particularly along Interstate 25 between mile markers 40 and 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ117-131200- /O.NEW.KCYS.HW.W.0042.211113T0800Z-211114T0300Z/ /O.EXB.KCYS.HW.A.0032.211114T1500Z-211116T0000Z/ South Laramie Range Foothills- Including the cities of Whitaker, Federal, and Horse Creek 129 PM MST Fri Nov 12 2021 ...HIGH WIND WARNING IN EFFECT FROM 1 AM TO 8 PM MST SATURDAY... ...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...West winds 35 to 45 MPH with gusts up to 65 MPH possible. * WHERE...Bordeaux along Interstate 25 between Chugwater and Wheatland, South Laramie Range and adjacent foothills including Interstate 80 between Laramie and Cheyenne. * WHEN...Multiple periods of high winds will occur through at least Monday afternoon. The main time frames for the strongest winds include late tonight through Saturday afternoon, as well as Sunday morning through Monday afternoon. High winds may continue beyond that time. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs, particularly along Interstate 25 between mile markers 40 and 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ107-115-118-131200- /O.NEW.KCYS.HW.A.0033.211113T1500Z-211114T0300Z/ East Platte County-Laramie Valley-Central Laramie County- Including the cities of Wheatland, Guernsey, Laramie, Bosler, and Cheyenne 129 PM MST Fri Nov 12 2021 ...HIGH WIND WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING... * WHAT...West to northwest winds 35 to 45 mph with gusts up to 65 mph possible. * WHERE...Laramie Valley, Eastern Platte County, and Central Laramie County including the cities of Laramie, Glendo, Wheatland, Chugwater. This includes Interstate 25 from the Colorado State Line to Glendo. * WHEN...8 AM MST until 8 PM MST Saturday. Strong winds will be possible again during a similar time frame on Sunday. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs, especially along Interstate 25 in southeast Wyoming. Remember to secure loose objects such as holiday decorations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Watch means there is the potential for a hazardous high wind event. Sustained winds of at least 40 mph...or gusts of 58 mph or stronger may occur. Continue to monitor the latest forecasts. && $$ CLH
951 WWUS75 KCYS 130758 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 1258 AM MST Sat Nov 13 2021 WYZ110-140000- /O.CAN.KCYS.HW.A.0032.211114T0300Z-211116T0000Z/ /O.EXT.KCYS.HW.W.0041.000000T0000Z-211116T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 1258 AM MST Sat Nov 13 2021 ...HIGH WIND WARNING NOW IN EFFECT UNTIL 5 PM MST MONDAY... ...HIGH WIND WATCH IS CANCELLED... * WHAT...West to southwest winds 40 to 50 MPH with gusts up to 75 MPH possible. * WHERE...North Snowy Range Foothills. * WHEN...Until 5 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs in these areas, especially between mile markers 240 and 290 along Interstate 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ107-115-118-140000- /O.UPG.KCYS.HW.A.0033.211113T1500Z-211114T0300Z/ /O.EXB.KCYS.HW.W.0042.211113T1500Z-211114T0300Z/ East Platte County-Laramie Valley-Central Laramie County- Including the cities of Wheatland, Guernsey, Laramie, Bosler, and Cheyenne 1258 AM MST Sat Nov 13 2021 ...HIGH WIND WARNING IN EFFECT FROM 8 AM THIS MORNING TO 8 PM MST THIS EVENING... * WHAT...West winds 35 to 40 mph with gusts up to 60 mph expected. * WHERE...East Platte County, Laramie Valley and Central Laramie County. * WHEN...From 8 AM this morning to 8 PM MST this evening. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs, especially along Interstate 25 in southeast Wyoming. Remember to secure loose objects such as holiday decorations. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$ WYZ106-116-117-140000- /O.CON.KCYS.HW.W.0042.211113T0800Z-211114T0300Z/ /O.CON.KCYS.HW.A.0032.211114T1500Z-211116T0000Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 1258 AM MST Sat Nov 13 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... ...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY MORNING THROUGH MONDAY AFTERNOON... * WHAT...West winds 35 to 45 MPH with gusts up to 65 MPH possible. * WHERE...Bordeaux along Interstate 25 between Chugwater and Wheatland, South Laramie Range and adjacent foothills including Interstate 80 between Laramie and Cheyenne. * WHEN...Multiple periods of high winds will occur through at least Monday afternoon. The main time frames for the strongest winds include this morning through Saturday afternoon, as well as Sunday morning through Monday afternoon. High winds may continue beyond that time. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs, particularly along Interstate 25 between mile markers 40 and 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... People should avoid being outside in forested areas and around trees and branches. If possible, remain in the lower levels of your home during the windstorm, and avoid windows. Use caution if you must drive. && $$
668 WWUS75 KCYS 132109 NPWCYS URGENT - WEATHER MESSAGE National Weather Service Cheyenne WY 209 PM MST Sat Nov 13 2021 WYZ106-116-117-141200- /O.UPG.KCYS.HW.A.0032.211114T1500Z-211116T0000Z/ /O.EXB.KCYS.HW.W.0041.211114T0900Z-211116T0000Z/ /O.CON.KCYS.HW.W.0042.000000T0000Z-211114T0300Z/ Central Laramie Range and Southwest Platte County- South Laramie Range-South Laramie Range Foothills- Including the cities of Bordeaux, Buford, Pumpkin Vine, Vedauwoo, Whitaker, Federal, and Horse Creek 209 PM MST Sat Nov 13 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... ...HIGH WIND WARNING IN EFFECT FROM 2 AM SUNDAY TO 5 PM MST MONDAY... * WHAT...West winds 35 to 45 MPH with gusts up to 70 MPH expected. * WHERE...Central and Southern Laramie Range and adjacent foothills. This includes Bordeaux along Interstate 25 between Chugwater and Wheatland, and Interstate 80 between Laramie and Cheyenne. * WHEN...Until 8 PM MST this evening. Winds increasing again after 2 AM MST Sunday and remaining strong through at least 5 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs, particularly along Interstate 25 between mile markers 40 and 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ107-115-118-141200- /O.NEW.KCYS.HW.A.0034.211114T1500Z-211115T0300Z/ /O.CON.KCYS.HW.W.0042.000000T0000Z-211114T0300Z/ East Platte County-Laramie Valley-Central Laramie County- Including the cities of Wheatland, Guernsey, Laramie, Bosler, and Cheyenne 209 PM MST Sat Nov 13 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING... ...HIGH WIND WATCH IN EFFECT FROM SUNDAY MORNING THROUGH SUNDAY EVENING... * WHAT...West to northwest winds 35 to 45 MPH with gusts up to 60 MPH possible. * WHERE...Laramie Valley, Eastern Platte County, and Central Laramie County including the cities of Laramie, Glendo, Wheatland, Chugwater. This includes Interstate 25 from the Colorado State Line to Glendo. * WHEN...High Wind Warning until 8 PM MST this evening. High Wind Watch from 8 AM until 5 PM MST Sunday. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs, especially along Interstate 25 in southeast Wyoming. Remember to secure loose objects such as holiday decorations. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ WYZ110-141200- /O.CON.KCYS.HW.W.0041.000000T0000Z-211116T0000Z/ North Snowy Range Foothills- Including the cities of Arlington and Elk Mountain 209 PM MST Sat Nov 13 2021 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MST MONDAY... * WHAT...West to southwest winds 40 to 50 MPH with gusts up to 80 MPH possible. * WHERE...North Snowy Range Foothills including Arlington and Elk Mountain along Interstate 80 between Laramie and Rawlins. * WHEN...Until 5 PM MST Monday. * IMPACTS...Mainly to transportation. Strong cross winds will be extremely dangerous to light weight and high profile vehicles, including campers and tractor trailers. There will be an extreme risk for vehicle blow overs in these areas, especially between mile markers 240 and 290 along Interstate 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph or more can lead to property damage. && $$ CLH
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 12, 2:10 AM MST | High Wind Watch | CYS | Albany, Carbon, Laramie, Platte | 11 hr |
| Nov 12, 1:29 PM MST | High Wind Watch | CYS | Albany, Laramie, Platte | 11 hr |
| Nov 12, 1:29 PM MST | High Wind Warning | CYS | Albany, Laramie, Platte | 31 hr |
Nearby
High Wind Watches in Wyoming, 2021Every high wind watch in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.